EPA Method 8240A Sys Perf Check Cmpds Back Catalog number: 82411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59982 ICP Mix Price on request MPN-5 1,4-Dichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 59975 ICP-MS Calibration Standard #4 Price on request